Event: Examiner League

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Opponent Rating Result
David Booth 1734 1 - 0
Leo A Keely 2137 0 - 1
Nigel R Hepworth 1729 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2000 = (5600 + 400 * (2 - 1)) / 3)

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